Depending on who you ask, jealousy and envy are either exact synonyms, totally different words, or near-synonyms with some degree of semantic overlap and some differences. It is difficult to make the case, based on the evidence of usage that we have, for either of the first two possibilities.
Both jealousy and envy are often used to indicate that a person is covetous of something that someone else has, but jealousy carries the particular sense of zealous vigilance and tends to be applied more exclusively to feelings of protectiveness regarding one’s own advantages or attachments.
At the funeral of a controversial contrary cousin, I sat surrounded by her life stories. Regaled by relatable reminisces from our relatives. What was recalled, repeated or remembered according to whoever was telling it.
